---
library_name: pyaging
tags:
- pyaging
- aging-clock
- biology
- chromatin-accessibility
---

# ocampoatac1

Published final ATAC-clock coefficient-table implementation using 228 open chromatin regions from the 80,400-region input peak set.

Model weights retain the original authors' terms; the pyaging software license does not relicense them.

| | |
|---|---|
| **Predicts** | chronological age |
| **Species** | Homo sapiens |
| **Tissue** | peripheral blood mononuclear cells |
| **Data type** | chromatin accessibility |
| **Model type** | elastic net regression |
| **Year** | 2023 |

## Use with pyaging

```python
import pyaging as pya

pya.pred.predict_age(adata, ["ocampoatac1"])
```

Browse every clock in the [pyaging Clock Catalogue](https://pyaging.readthedocs.io).

## Citation

Morandini, F., Rechsteiner, C., Perez, K., et al. “ATAC-clock: An aging clock based on chromatin accessibility.” GeroScience 46(2), 1789–1806 (2024).

https://doi.org/10.1007/s11357-023-00986-0